Trimethyl borate → [4-(Nonyloxy)phenyl]boronic acid
Reaction equation
Br[C:2]1[CH:7]=[CH:6][C:5]([O:8][CH2:9][CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH3:17])=[CH:4][CH:3]=1.C([Li])CCC.[B:23](OC)([O:26]C)[O:24]C.C(OC1C=CC(B(O)O)=CC=1)CCCCCCC>C1COCC1>[CH2:9]([O:8][C:5]1[CH:6]=[CH:7][C:2]([B:23]([OH:26])[OH:24])=[CH:3][CH:4]=1)[CH2:10][CH2:11][CH2:12][CH2:13][CH2:14][CH2:15][CH2:16][CH3:17]Participants
6
Procedure
Quantities: compound 27 (14.70 g, 0.066 mol) in anhydrous THF (140 ml), n-butyllithium (30 ml, 2.5M in hexane, 0.075 mol), trimethyl borate (13.72 g, 0.132 mol) in anhydrous THF (50 ml). The experimental procedure was as described for the preparation of compound 33.
Sources & evidence
- ORD record
- ord-fabcc536a60946ac996a141221922789
- Source dataset
- uspto-grants-1998_12
- Patent number
- US05853613
Reaction notes
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